3 Welding Jar

4 Ornithopter

2 x Ancient Den

3 x Welding Jar

4 x Ornithopter

Bottomless Vault

DescriptionComes into play tapped. You may choose not to untap Bottomless Vault during your untap phase and instead put a storage counter on it.ocT: Remove any number of storage counters from Bottomless Vault. For each storage counter removed, add oB to your mana pool.